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Finding the Fourth Proportional to 250,078.38, 375,930.40 and 200,699.54

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Solution

The fourth proportional to 250,078.38, 375,930.40 and 200,699.54 is: 301,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,078.38 : 375,930.40 = 200,699.54 : x
  2. Step 2: Convert to fraction form
    250,078.38/375,930.40 = 200,699.54/x
  3. Step 3: Cross multiply
    250,078.38x = 375,930.40 × 200,699.54
  4. Step 4: Simplify right side
    250,078.38x = 75,449,058,352.02
  5. Step 5: Solve for x
    x = 75,449,058,352.02/250,078.38
  6. Step 6: Final answer
    x = 301,701.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.